3212221332013 has 4 divisors (see below), whose sum is σ = 3248313706620. Its totient is φ = 3176128957408.

The previous prime is 3212221332011. The next prime is 3212221332071. The reversal of 3212221332013 is 3102331222123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 874707526564 + 2337513805449 = 935258^2 + 1528893^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212221332013 - 2¹ = 3212221332011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212221332011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18046187170 + ... + 18046187347.

It is an arithmetic number, because the mean of its divisors is an integer number (812078426655).

Almost surely, 2^{3212221332013} is an apocalyptic number.

It is an amenable number.

3212221332013 is a deficient number, since it is larger than the sum of its proper divisors (36092374607).

3212221332013 is an equidigital number, since it uses as much as digits as its factorization.

3212221332013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36092374606.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 3212221332013 its reverse (3102331222123), we get a palindrome (6314552554136).

The spelling of 3212221332013 in words is "three trillion, two hundred twelve billion, two hundred twenty-one million, three hundred thirty-two thousand, thirteen".